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Yes agreed with Sean, make compatible with both iso8601 is overcomplicated.
This is my abandoned try: https://review.openstack.org/#/c/53186/

zhiyan

On Wed, Nov 27, 2013 at 8:49 PM, Sean Dague <sean at dague.net> wrote:
> The problem is you can't really support both iso8601 was dormant for
> years, and the revived version isn't compatible with the old version.
> So supporting both means basically forking iso8601 and maintaining you
> own version of it monkey patched in your own tree.
>
> On Wed, Nov 27, 2013 at 1:58 AM, Yaguang Tang
> <yaguang.tang at canonical.com> wrote:
>> after update to iso8601>=0.1.8, it breaks stable/neutron jenkins tests,
>> because stable/glance requires  iso8601<=0.1.4, log info
>> https://jenkins02.openstack.org/job/periodic-tempest-devstack-vm-neutron-stable-grizzly/43/console,
>> I have filed a bug to track this
>> https://bugs.launchpad.net/glance/+bug/1255419.
>>
>>
>> 2013/11/26 Thomas Goirand <zigo at debian.org>
>>>
>>> I'm sorry to restart this topic.
>>>
>>> I don't mind if we upgrade to 0.1.8, but then I will need to have
>>> patches for Havana to support version 0.1.8. Otherwise, it's going to be
>>> very difficult on the packaging side: I will need to upload 0.1.8 for
>>> Icehouse, but then it will break everything else (eg: Havana) that is
>>> currently in Sid.
>>>
>>> Was there some patches already for that? If so, please point to them so
>>> that I can cherry-pick them, and carry the patches in the Debian
>>> packages (it doesn't have to be backported to the Havana branch, I'm
>>> fine keeping the patches in the packages, if at least they are
>>> identified).
>>>
>>> Is there a way that I can grep all commits in Gerrit, to see if there
>>> was such patches committed recently?
>>>
>>> Cheers,
>>>
>>> Thomas Goirand (zigo)
>>>
>>> On 10/24/2013 09:37 PM, Morgan Fainberg wrote:
>>> > It seems like adopting 0.1.8 is the right approach. If it doesn't work
>>> > with other projects, we should work to help those projects get updated
>>> > to work with it.
>>> >
>>> > --Morgan
>>> >
>>> > On Thursday, October 24, 2013, Zhi Yan Liu wrote:
>>> >
>>> >     Hi all,
>>> >
>>> >     Adopt 0.1.8 as iso8601 minimum version:
>>> >     https://review.openstack.org/#/c/53567/
>>> >
>>> >     zhiyan
>>> >
>>> >     On Thu, Oct 24, 2013 at 4:09 AM, Dolph Mathews
>>> >     <dolph.mathews at gmail.com <javascript:;>> wrote:
>>> >     >
>>> >     > On Wed, Oct 23, 2013 at 2:30 PM, Robert Collins
>>> >     <robertc at robertcollins.net <javascript:;>>
>>> >     > wrote:
>>> >     >>
>>> >     >> On 24 October 2013 07:34, Mark Washenberger
>>> >     >> <mark.washenberger at markwash.net <javascript:;>> wrote:
>>> >     >> > Hi folks!
>>> >     >> >
>>> >     >> > 1) Adopt 0.1.8 as the minimum version in
>>> > openstack-requirements.
>>> >     >> > 2) Do nothing (i.e. let Glance behavior depend on iso8601 in
>>> >     this way,
>>> >     >> > and
>>> >     >> > just fix the tests so they don't care about these extra
>>> > formats)
>>> >     >> > 3) Make Glance work with the added formats even if 0.1.4 is
>>> >     installed.
>>> >     >>
>>> >     >> I think we should do (1) because both (2) will permit surprising,
>>> >     >> nonobvious changes in behaviour and (3) is just nasty
>>> > engineering.
>>> >     >> Alternatively, add a (4) which is (2) with "whinge on startup if
>>> >     0.1.4
>>> >     >> is installed" to make identifying this situation easy.
>>> >     >
>>> >     >
>>> >     > I'm in favor of (1), unless there's a reason why 0.1.8 not viable
>>> > for
>>> >     > another project or packager, in which case, I've never heard the
>>> > term
>>> >     > "whinge" before so there should definitely be some of that.
>>> >     >
>>> >     >>
>>> >     >>
>>> >     >> The last thing a new / upgraded deployment wants is something
>>> > like
>>> >     >> nova, or a third party API script failing in nonobvious ways with
>>> > no
>>> >     >> breadcrumbs to lead them to 'upgrade iso8601' as an answer.
>>> >     >>
>>> >     >> -Rob
>>> >     >>
>>> >     >> --
>>> >     >> Robert Collins <rbtcollins at hp.com <javascript:;>>
>>> >     >> Distinguished Technologist
>>> >     >> HP Converged Cloud
>>> >     >>
>>> >     >> _______________________________________________
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>>> >     >
>>> >     >
>>> >     >
>>> >     >
>>> >     > --
>>> >     >
>>> >     > -Dolph
>>> >     >
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>>
>>
>>
>>
>> --
>> Tang Yaguang
>>
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>
>
>
> --
> Sean Dague
> http://dague.net
>
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